Charlton Heston

Captain Paul MacDougall / Benny the Snatch / Narrator

Elsa Martinelli

Antonella Massimo

Harry Guardino

Sgt. Joseph Contini

Salvatore Baccaloni

Ciccio Massimo

Marietto Angeletti

Livio Massimo

Gabriella Pallotta

Rosalba Massimo

Brian Donlevy

Col. Sherman Harrington

Arthur Shields

Monsignor O'Toole

Rudolph Anders

Col. Wilhelm Krafft

Anne Caprile

Antonella Massimo (french voice)